Quarterly US dollars
1999-03-31 7268
1999-06-30 7703
1999-09-30 8103
1999-12-31 8332
2000-03-31 7480
2000-06-30 7639
2000-09-30 7616
2000-12-31 7552
2001-03-31 7739
2001-06-30 7970
2001-09-30 8662
2001-12-31 8906
2002-03-31 7644
2002-06-30 7694
2002-09-30 7760
2002-12-31 7529
2003-03-31 7827
2003-06-30 8242
2003-09-30 7979
2003-12-31 7730
2004-03-31 9662
2004-06-30 10693
2004-09-30 10235
2004-12-31 10500
2005-03-31 11182
2005-06-30 10708
2005-09-30 12472
2005-12-31 13077
2006-03-31 12855
2006-06-30 15072
2006-09-30 15893
2006-12-31 15514
2007-03-31 16823
2007-06-30 16653
2007-09-30 21275
2007-12-31 18184
2008-03-31 20787
2008-06-30 19518
2008-09-30 17947
2008-12-31 15948
2009-03-31 14924
2009-06-30 14768
2009-09-30 20035
2009-12-31 18395
2010-03-31 14360
2010-06-30 13686
2010-09-30 14288
2010-12-31 13684
2011-03-31 13826
2011-06-30 14718
2011-09-30 15378
2011-12-31 12706
2012-03-31 14804
2012-06-30 15034
2012-09-30 14590
2012-12-31 16036
2013-03-31 18070
2013-06-30 15858
2013-09-30 15456
2013-12-31 15823
2014-03-31 14835
2014-06-30 14451
2014-09-30 14127
2014-12-31 14201
2015-03-31 14216
2015-06-30 16101
2015-09-30 15858
2015-12-31 15897
2016-03-31 16643
2016-06-30 18956
2016-09-30 19672
2016-12-31 18145
2017-03-31 18215
2017-06-30 17087
2017-09-30 17936
2017-12-31 18209
2018-03-31 18642
2018-06-30 17914
2018-09-30 15793
2018-12-31 16134
2019-03-31 15526
2019-06-30 15406
2019-09-30 16306
2019-12-31 16669
2020-03-31 17760
2020-06-30 18967
2020-09-30 16761
2020-12-31 16388
2021-03-31 17766
2021-06-30 17516
2021-09-30 18489
2021-12-31 17415
2022-03-31 15236
2022-06-30 14932
2022-09-30 14889
2022-12-31 13739
2023-03-31 12965
2023-06-30 13637
2023-09-30 14614